diff --git a/Models/Instruments/PFD/PFD.nas b/Models/Instruments/PFD/PFD.nas
index 95feac70..b941520a 100644
--- a/Models/Instruments/PFD/PFD.nas
+++ b/Models/Instruments/PFD/PFD.nas
@@ -238,13 +238,7 @@ var canvas_pfd = {
 				} else {
 					obj["AI_agl"].setText(sprintf("%s", math.round(math.clamp(val, 0, 2500))));
 				}
-					
-				if (-val >= -565 and -val <= 565) {
-					obj["ground_ref"].setTranslation(0, (-val / 100) * -48.66856);
-					obj["ground_ref"].show();
-				} else {
-					obj["ground_ref"].hide();
-				}
+				obj["ground_ref"].setTranslation(0, (-val / 100) * -48.66856);
 			}),
 			props.UpdateManager.FromHashList(["agl","gear1Wow", "gear2Wow","fmgcPhase"], nil, func(val) {
 				if (-val.agl >= -565 and -val.agl <= 565) {
@@ -1188,6 +1182,13 @@ var canvas_pfd = {
 				me["ASI_trend_up"].hide();
 				me["ASI_trend_down"].hide();
 			}
+			
+					
+			if (-notification.agl >= -565 and -notification.agl <= 565) {
+				me["ground_ref"].show();
+			} else {
+				me["ground_ref"].hide();
+			}
 		} else {
 			me["ASI_group"].hide();
 			me["ASI_error"].show();
diff --git a/Nasal/ECAM/ECAM-logic.nas b/Nasal/ECAM/ECAM-logic.nas
index 14aa0f75..82a8c36d 100644
--- a/Nasal/ECAM/ECAM-logic.nas
+++ b/Nasal/ECAM/ECAM-logic.nas
@@ -37,6 +37,7 @@ var alt200 = nil;
 var alt750 = nil;
 var bigThree = nil;
 var fltCtlLandAsap = 0;
+var gearPosition = nil;
 
 var altAlertSteady = 0;
 var altAlertFlash = 0;
@@ -2057,10 +2058,11 @@ var messages_priority_2 = func {
 		ECAM_controller.warningReset(fctlSpdBrkStillOut);
 	}
 	
+	gearPosition = pts.Gear.position[1].getValue();
 	if (directLaw.clearFlag == 0 and warningNodes.Timers.directLaw.getValue() and phaseVar2 != 4 and phaseVar2 != 5 and phaseVar2 != 7 and phaseVar2 != 8) {
 		directLaw.active = 1;
 		directLawProt.active = 1;
-		if (directLawMaxSpeed.clearFlag == 0 and !fbw.tripleADRFail and pts.Gear.position[1].getValue() == 1) {
+		if (directLawMaxSpeed.clearFlag == 0 and !fbw.tripleADRFail and gearPosition != 1) {
 			directLawMaxSpeed.active = 1;
 		} else {
 			ECAM_controller.warningReset(directLawMaxSpeed);
@@ -2070,12 +2072,12 @@ var messages_priority_2 = func {
 		} else {
 			ECAM_controller.warningReset(directLawTrim);
 		}
-		if (directLawCare.clearFlag == 0 and (fbw.tripleADRFail or pts.Gear.position[1].getValue() == 1)) {
+		if (directLawCare.clearFlag == 0 and (fbw.tripleADRFail or gearPosition != 1)) {
 			directLawCare.active = 1;
 		} else {
 			ECAM_controller.warningReset(directLawCare);
 		}
-		if (directLawSpdBrk.clearFlag == 0 and !fbw.tripleADRFail and pts.Gear.position[1].getValue() == 1) {
+		if (directLawSpdBrk.clearFlag == 0 and !fbw.tripleADRFail and gearPosition != 1) {
 			directLawSpdBrk.active = 1;
 		} else {
 			ECAM_controller.warningReset(directLawSpdBrk);
@@ -2111,7 +2113,13 @@ var messages_priority_2 = func {
 			ECAM_controller.warningReset(altnLawMaxSpeed2);
 		}
 		
-		if (altnLawMaxSpdBrk.clearFlag == 0 and (fbw.tripleADRFail or warningNodes.Logic.leftElevFail.getValue() or warningNodes.Logic.rightElevFail.getValue())) {
+		if (altnLawCare.clearFlag == 0 and (fbw.tripleADRFail or gearPosition != 1)) {
+			altnLawCare.active = 1;
+		} else {
+			ECAM_controller.warningReset(altnLawCare);
+		}
+		
+		if (altnLawMaxSpdBrk.clearFlag == 0 and (fbw.tripleADRFail or warningNodes.Logic.leftElevFail.getValue() or warningNodes.Logic.rightElevFail.getValue() or warningNodes.Logic.leftElevNotAvail.getValue())) {
 			altnLawMaxSpdBrk.active = 1;
 		} else {
 			ECAM_controller.warningReset(altnLawMaxSpdBrk);
@@ -2121,6 +2129,7 @@ var messages_priority_2 = func {
 		ECAM_controller.warningReset(altnLawProt);
 		ECAM_controller.warningReset(altnLawMaxSpeed);
 		ECAM_controller.warningReset(altnLawMaxSpeed2);
+		ECAM_controller.warningReset(altnLawCare);
 		ECAM_controller.warningReset(altnLawMaxSpdBrk);
 	}
 	
@@ -2237,31 +2246,7 @@ var messages_priority_2 = func {
 		ECAM_controller.warningReset(fac2FaultFacOff);
 	}
 	
-	if (yawDamper1Fault.clearFlag == 0 and (phaseVar2 <= 2 or phaseVar2 == 9 or phaseVar2 == 6) and warningNodes.Timers.yawDamper1Fault.getValue() == 1 and !warningNodes.Logic.yawDamper12Fault.getBoolValue()) {
-		yawDamper1Fault.active = 1;
-	} else {
-		ECAM_controller.warningReset(yawDamper1Fault);
-	}
-	
-	if (yawDamper2Fault.clearFlag == 0 and (phaseVar2 <= 2 or phaseVar2 == 9 or phaseVar2 == 6) and warningNodes.Timers.yawDamper2Fault.getValue() == 1 and !warningNodes.Logic.yawDamper12Fault.getBoolValue()) {
-		yawDamper2Fault.active = 1;
-	} else {
-		ECAM_controller.warningReset(yawDamper2Fault);
-	}
-	
-	if (rudTravLimSys1Fault.clearFlag == 0 and (phaseVar2 <= 2 or phaseVar2 >= 9 or phaseVar2 == 6) and warningNodes.Logic.rtlu1Fault.getBoolValue()) {
-		rudTravLimSys1Fault.active = 1;
-	} else {
-		ECAM_controller.warningReset(rudTravLimSys1Fault);
-	}
-	
-	if (rudTravLimSys2Fault.clearFlag == 0 and (phaseVar2 <= 2 or phaseVar2 >= 9 or phaseVar2 == 6) and warningNodes.Logic.rtlu2Fault.getBoolValue()) {
-		rudTravLimSys2Fault.active = 1;
-	} else {
-		ECAM_controller.warningReset(rudTravLimSys2Fault);
-	}
-	
-	if (fcu.FCUController.FCU1.failed and fcu.FCUController.FCU2.failed and systems.ELEC.Bus.dcEss.getValue() >= 25 and systems.ELEC.Bus.dcEss.getValue() >= 25 and fcuFault.clearFlag == 0) {
+	if (fcu.FCUController.FCU1.failed and fcu.FCUController.FCU2.failed and systems.ELEC.Bus.dcEss.getValue() >= 25 and systems.ELEC.Bus.dc2.getValue() >= 25 and fcuFault.clearFlag == 0) {
 		fcuFault.active = 1;
 		fcuFaultBaro.active = 1;
 	} else {
@@ -2269,22 +2254,6 @@ var messages_priority_2 = func {
 		ECAM_controller.warningReset(fcuFaultBaro);
 	}
 	
-	if (fcu.FCUController.FCU1.failed and !fcu.FCUController.FCU2.failed and systems.ELEC.Bus.dcEss.getValue() >= 25 and fcuFault1.clearFlag == 0) {
-		fcuFault1.active = 1;
-		fcuFault1Baro.active = 1;
-	} else {
-		ECAM_controller.warningReset(fcuFault1);
-		ECAM_controller.warningReset(fcuFault1Baro);
-	}
-	
-	if (fcu.FCUController.FCU2.failed and !fcu.FCUController.FCU1.failed and systems.ELEC.Bus.dc2.getValue() >= 25 and fcuFault2.clearFlag == 0) {
-		fcuFault2.active = 1;
-		fcuFault2Baro.active = 1;
-	} else {
-		ECAM_controller.warningReset(fcuFault2);
-		ECAM_controller.warningReset(fcuFault2Baro);
-	}
-	
 	# FUEL
 	if (wingLoLvl.clearFlag == 0 and warningNodes.Timers.lowLevelBoth.getValue() == 1 and (phaseVar2 <= 2 or phaseVar2 == 6 or phaseVar2 >= 9)) {
 		wingLoLvl.active = 1;
@@ -3018,6 +2987,46 @@ var messages_priority_2 = func {
 		ECAM_controller.warningReset(wingIceOpenGndShut);
 	}
 	
+	if (yawDamper1Fault.clearFlag == 0 and (phaseVar2 <= 2 or phaseVar2 == 9 or phaseVar2 == 6) and warningNodes.Timers.yawDamper1Fault.getValue() == 1 and !warningNodes.Logic.yawDamper12Fault.getBoolValue()) {
+		yawDamper1Fault.active = 1;
+	} else {
+		ECAM_controller.warningReset(yawDamper1Fault);
+	}
+	
+	if (yawDamper2Fault.clearFlag == 0 and (phaseVar2 <= 2 or phaseVar2 == 9 or phaseVar2 == 6) and warningNodes.Timers.yawDamper2Fault.getValue() == 1 and !warningNodes.Logic.yawDamper12Fault.getBoolValue()) {
+		yawDamper2Fault.active = 1;
+	} else {
+		ECAM_controller.warningReset(yawDamper2Fault);
+	}
+	
+	if (rudTravLimSys1Fault.clearFlag == 0 and (phaseVar2 <= 2 or phaseVar2 >= 9 or phaseVar2 == 6) and warningNodes.Logic.rtlu1Fault.getBoolValue()) {
+		rudTravLimSys1Fault.active = 1;
+	} else {
+		ECAM_controller.warningReset(rudTravLimSys1Fault);
+	}
+	
+	if (rudTravLimSys2Fault.clearFlag == 0 and (phaseVar2 <= 2 or phaseVar2 >= 9 or phaseVar2 == 6) and warningNodes.Logic.rtlu2Fault.getBoolValue()) {
+		rudTravLimSys2Fault.active = 1;
+	} else {
+		ECAM_controller.warningReset(rudTravLimSys2Fault);
+	}
+	
+	if (fcu.FCUController.FCU1.failed and !fcu.FCUController.FCU2.failed and systems.ELEC.Bus.dcEss.getValue() >= 25 and fcuFault1.clearFlag == 0) {
+		fcuFault1.active = 1;
+		fcuFault1Baro.active = 1;
+	} else {
+		ECAM_controller.warningReset(fcuFault1);
+		ECAM_controller.warningReset(fcuFault1Baro);
+	}
+	
+	if (fcu.FCUController.FCU2.failed and !fcu.FCUController.FCU1.failed and systems.ELEC.Bus.dc2.getValue() >= 25 and fcuFault2.clearFlag == 0) {
+		fcuFault2.active = 1;
+		fcuFault2Baro.active = 1;
+	} else {
+		ECAM_controller.warningReset(fcuFault2);
+		ECAM_controller.warningReset(fcuFault2Baro);
+	}
+	
 	if (wingIceLHiPr.clearFlag == 0 and warningNodes.Timers.waiLhiPr.getValue() == 1 and (phaseVar2 <= 2  or phaseVar2 >= 9 or phaseVar2 == 6)) {
 		wingIceLHiPr.active = 1;
 		wingIceLHiPrThrust.active = 1;
diff --git a/Nasal/ECAM/ECAM-main.nas b/Nasal/ECAM/ECAM-main.nas
index 521c5c96..9deef84b 100644
--- a/Nasal/ECAM/ECAM-main.nas
+++ b/Nasal/ECAM/ECAM-main.nas
@@ -233,7 +233,7 @@ var ECAMRecipient =
 				if (math.mod(notifications.frameNotification.FrameCount,10) == 0) {
 					phaseLoop();
 				}
-				if (math.mod(notifications.frameNotification.FrameCount,10) == 5) {
+				if (isint(notifications.frameNotification.FrameCount / 5)) {
 					ECAM_controller.loop(notification);
 				}
 				return emesary.Transmitter.ReceiptStatus_OK;
diff --git a/Nasal/ECAM/ECAM-messages.nas b/Nasal/ECAM/ECAM-messages.nas
index 4eabac35..58c1451f 100644
--- a/Nasal/ECAM/ECAM-messages.nas
+++ b/Nasal/ECAM/ECAM-messages.nas
@@ -501,6 +501,7 @@ var warnings				  = std.Vector.new([
 	var altnLawProt           = warning.new(msg: "     (PROT LOST)",          colour: "a"),
 	var altnLawMaxSpeed       = warning.new(msg: " MAX SPEED........320 KT",  colour: "c"),
 	var altnLawMaxSpeed2      = warning.new(msg: " MAX SPEED........320/.77", colour: "c"),
+	var altnLawCare           = warning.new(msg: " MANEUVER WITH CARE",       colour: "c"),
 	var altnLawMaxSpdBrk      = warning.new(msg: " SPD BRK.......DO NOT USE", colour: "c"),
 	
 	# Autothrust
diff --git a/Nasal/ECAM/ECAM-nodes.nas b/Nasal/ECAM/ECAM-nodes.nas
index 21b38d32..ac6dbf41 100644
--- a/Nasal/ECAM/ECAM-nodes.nas
+++ b/Nasal/ECAM/ECAM-nodes.nas
@@ -117,7 +117,9 @@ var warningNodes = {
 		greenYellow: props.globals.initNode("/ECAM/warnings/hyd/green-yellow-failure"),
 		greenYellowFuel: props.globals.initNode("/ECAM/warnings/hyd/green-yellow-fuel-consumpt"),
 		leftElevFail: props.globals.initNode("/ECAM/warnings/fctl/leftElevFault"),
+		leftElevNotAvail: props.globals.initNode("ECAM/warnings/fctl/leftElevFault-cond"),
 		rightElevFail: props.globals.initNode("/ECAM/warnings/fctl/rightElevFault"),
+		rightElevNotAvail: props.globals.initNode("ECAM/warnings/fctl/rightElevFault-cond"),
 		flapNotZero: props.globals.initNode("/ECAM/warnings/fctl/flaps-not-zero"),
 		slatsConfig: props.globals.initNode("/ECAM/warnings/fctl/slats-config-output"),
 		flapsConfig: props.globals.initNode("/ECAM/warnings/fctl/flaps-config-output"),
diff --git a/Nasal/FMGC/FCU.nas b/Nasal/FMGC/FCU.nas
index 9fd19ff6..6b371f14 100644
--- a/Nasal/FMGC/FCU.nas
+++ b/Nasal/FMGC/FCU.nas
@@ -20,8 +20,18 @@ var FCU = {
 		f.elecSupply = elecNode;
         return f;
     },
-	loop: func() {
-		me.failed = (me.elecSupply.getValue() < 25 or me.condition == 0) ? 1 : 0;
+	elec: nil,
+	powerOffTime: -99,
+	loop: func(notification) {
+		me.elec = me.elecSupply.getValue();
+		if (me.elec < 25) {
+			if (me.powerOffTime == -99) {
+				me.powerOffTime = notification.elapsedTime;
+			}
+		} else {
+			me.powerOffTime = -99;
+		}
+		me.failed = ((notification.elapsedTime > (me.powerOffTime + 0.25) and me.elec < 25) or me.condition == 0) ? 1 : 0;
 	},
 	setFail: func() {
 		me.condition = 0;
@@ -46,8 +56,8 @@ var FCUController = {
 		if (me._init == 0) { return; }
 		
 		# Update FCU Power
-		me.FCU1.loop();
-		me.FCU2.loop();
+		me.FCU1.loop(notification);
+		me.FCU2.loop(notification);
 		
 		if (!me.FCU1.failed or !me.FCU2.failed) {
 			me.FCUworking = 1;
diff --git a/Nasal/MCDU/DUPLICATE.nas b/Nasal/MCDU/DUPLICATE.nas
index 9e6c58ee..c5496993 100644
--- a/Nasal/MCDU/DUPLICATE.nas
+++ b/Nasal/MCDU/DUPLICATE.nas
@@ -134,6 +134,11 @@ var duplicateNamesPage = {
 		}	
 	},
 	pushButtonLeft: func(indexSelect) {
+		if (indexSelect > size(me.vector)) { 
+			mcdu_message(me.computer, "NOT ALLOWED");
+			return; 
+		}
+		
 		if (!dirToFlag) {
 			if (!me.flagPBD and !me.flagPROG) {
 				if (size(me.vector[0].id) == 5) {
diff --git a/Systems/a320-fbw.xml b/Systems/a320-fbw.xml
index 5c15614b..8ec6ca99 100644
--- a/Systems/a320-fbw.xml
+++ b/Systems/a320-fbw.xml
@@ -368,6 +368,123 @@
 	
 	</channel>
 	
+	<channel name="ELAC Power Supply">
+		
+		<switch name="/systems/fctl/power-supply/elac1/relay-condition">
+			<default value="0"/>
+			<test logic="OR" value="1">
+				/systems/hydraulic/blue-psi ge 1500
+				/systems/hydraulic/green-psi ge 1500
+				/systems/hydraulic/yellow-psi ge 1500
+			</test>
+		</switch>
+		
+		<!-- if ELAC1 is not powered, then the timer does not run - this makes behaviour with cold + dark OK -->
+		<switch name="/systems/fctl/power-supply/elac1/relay-rate">
+			<default value="100"/>
+			<test logic="OR" value="0.03333333333">
+				/systems/fctl/elac1 eq 1
+			</test>
+		</switch>
+		
+		<actuator name="/systems/fctl/power-supply/elac1/relay-timer">
+			<input>/systems/fctl/power-supply/elac1/relay-condition</input>
+			<rate_limit sense="incr">100</rate_limit>
+			<rate_limit sense="decr">0.03333333333</rate_limit> <!-- 30s -->
+		</actuator>
+		
+		<switch name="/systems/fctl/power-supply/elac1/relay">
+			<default value="0"/>
+			<test logic="AND" value="/systems/electrical/bus/sub-bus/dc-hot-1-703">
+				/systems/electrical/bus/sub-bus/dc-hot-1-703 ge 25
+				/systems/fctl/power-supply/elac1/relay-timer ne 0
+			</test>
+		</switch>
+		
+		<switch name="/systems/fctl/power-supply/elac2/relay-power">
+			<default value="0"/>
+			<test logic="AND" value="1"> <!-- latch as long as power is lost -->
+				/systems/fctl/power-supply/elac2/relay-power eq 1
+				/systems/electrical/bus/sub-bus/dc-2-202 lt 25
+			</test>
+			<test logic="AND" value="1"> <!-- only trigger if the ELAC is on -->
+				/systems/fctl/elac2 eq 1
+				/systems/electrical/bus/sub-bus/dc-2-202 lt 25
+			</test>
+		</switch>
+		
+		<!-- Only if the relay has already gone on -
+		if blue is low or gear is not extended, it will go permanently rather than for just 30 seconds
+		in addition this will happen even if the timer has already reached 30 seconds
+		however, it will not trigger if the relay is not yet triggered
+		and it should not trigger unless the ELAC has already gained and then lost power -->
+		<switch name="/systems/fctl/power-supply/elac2/relay-power-override">
+			<default value="0"/>
+			<test logic="AND" value="1">
+				<test logic="OR">
+					/systems/hydraulic/blue-psi lt 1500
+					/gear/gear[1]/position-norm ne 0
+				</test>
+				/systems/electrical/some-electric-thingie/speed-abv-100 eq 1
+				/systems/fctl/power-supply/elac2/relay-power eq 1
+			</test>
+		</switch>
+		
+		<actuator name="/systems/fctl/power-supply/elac2/relay-timer">
+			<input>/systems/fctl/power-supply/elac2/relay-power</input>
+			<rate_limit sense="incr">0.03333333333</rate_limit>
+			<rate_limit sense="decr">100</rate_limit>
+		</actuator>
+		
+		<switch name="/systems/fctl/power-supply/elac2/relay">
+			<default value="0"/>
+			<test logic="AND" value="/systems/electrical/bus/sub-bus/dc-hot-2-704">
+				/systems/electrical/bus/sub-bus/dc-hot-2-704 ge 25
+				/systems/fctl/power-supply/elac2/relay-power eq 1
+				<test logic="OR">
+					/systems/fctl/power-supply/elac2/relay-power-override eq 1
+					/systems/fctl/power-supply/elac2/relay-timer ne 1
+				</test>
+			</test>
+		</switch>
+		
+	</channel>
+	
+	<channel name="SEC Power Supply">
+		
+		<switch name="/systems/fctl/power-supply/sec1/relay-condition">
+			<default value="0"/>
+			<test logic="OR" value="1">
+				/systems/hydraulic/blue-psi ge 1500
+				/systems/hydraulic/green-psi ge 1500
+				/systems/hydraulic/yellow-psi ge 1500
+			</test>
+		</switch>
+		
+		<!-- if SEC1 is not powered, then the timer does not run - this makes behaviour with cold + dark OK -->
+		<switch name="/systems/fctl/power-supply/sec1/relay-rate">
+			<default value="100"/>
+			<test logic="OR" value="0.03333333333">
+				/systems/fctl/sec1 eq 1
+			</test>
+		</switch>
+		
+		<actuator name="/systems/fctl/power-supply/sec1/relay-timer">
+			<input>/systems/fctl/power-supply/sec1/relay-condition</input>
+			<rate_limit sense="incr">100</rate_limit>
+			<rate_limit sense="decr">0.03333333333</rate_limit> <!-- 30s -->
+		</actuator>
+		
+		<switch name="/systems/fctl/power-supply/sec1/relay">
+			<default value="0"/>
+			<test logic="AND" value="/systems/electrical/bus/sub-bus/dc-hot-1-703">
+				/systems/electrical/bus/sub-bus/dc-hot-1-703 ge 25
+				/systems/fctl/power-supply/sec1/relay-timer ne 0
+			</test>
+		</switch>
+		
+	</channel>
+	
 	<channel name="Computers">
 		
 		<switch name="/systems/fctl/lights/elac1-fault">
@@ -377,19 +494,27 @@
 				/systems/fctl/elac1 eq 0
 			</test>
 		</switch>
-	
+		
+		<switch name="/systems/fctl/power-supply/elac1/has-power">
+			<default value="0"/>
+			<test logic="OR" value="1">
+				/systems/electrical/bus/dc-ess ge 25
+				/systems/fctl/power-supply/elac1/relay ge 25
+			</test>
+		</switch>
+		
+		<actuator name="/systems/fctl/power-supply/elac1/has-power-output">
+			<input>/systems/fctl/power-supply/elac1/has-power</input>
+			<rate_limit sense="incr">100</rate_limit>
+			<rate_limit sense="decr">10</rate_limit> <!-- 100ms -->
+		</actuator>
+		
 		<switch name="/systems/fctl/elac1">
 			<default value="0"/>
 			<test logic="AND" value="1">
 				/controls/fctl/switches/elac1 eq 1
 				/systems/failures/fctl/elac1 eq 0
-				<test logic="OR">
-					/systems/electrical/bus/dc-ess ge 25
-					<test logic="AND"> <!-- in flight: DC HOT backup -->
-						/systems/electrical/bus/sub-bus/dc-hot-1-703 ge 25
-						/gear/gear[1]/wow eq 0
-					</test>
-				</test>
+				/systems/fctl/power-supply/elac1/has-power-output ne 0
 			</test>
 		</switch>
 		
@@ -401,18 +526,26 @@
 			</test>
 		</switch>
 		
+		<switch name="/systems/fctl/power-supply/elac2/has-power">
+			<default value="0"/>
+			<test logic="OR" value="1">
+				/systems/electrical/bus/sub-bus/dc-2-202 ge 25
+				/systems/fctl/power-supply/elac2/relay ge 25
+			</test>
+		</switch>
+		
+		<actuator name="/systems/fctl/power-supply/elac2/has-power-output">
+			<input>/systems/fctl/power-supply/elac2/has-power</input>
+			<rate_limit sense="incr">100</rate_limit>
+			<rate_limit sense="decr">10</rate_limit> <!-- 100ms -->
+		</actuator>
+		
 		<switch name="/systems/fctl/elac2">
 			<default value="0"/>
 			<test logic="AND" value="1">
 				/controls/fctl/switches/elac2 eq 1
 				/systems/failures/fctl/elac2 eq 0
-				<test logic="OR">
-					/systems/electrical/bus/sub-bus/dc-2-202 ge 25
-					<test logic="AND"> <!-- in flight: DC HOT backup -->
-						/systems/electrical/bus/sub-bus/dc-hot-2-704 ge 25
-						/gear/gear[1]/wow eq 0
-					</test>
-				</test>
+				/systems/fctl/power-supply/elac2/has-power-output ne 0
 			</test>
 		</switch>
 		
@@ -424,18 +557,26 @@
 			</test>
 		</switch>
 		
+		<switch name="/systems/fctl/power-supply/sec1/has-power">
+			<default value="0"/>
+			<test logic="OR" value="1">
+				/systems/electrical/bus/dc-ess ge 25
+				/systems/fctl/power-supply/sec1/relay ge 25
+			</test>
+		</switch>
+		
+		<actuator name="/systems/fctl/power-supply/sec1/has-power-output">
+			<input>/systems/fctl/power-supply/sec1/has-power</input>
+			<rate_limit sense="incr">100</rate_limit>
+			<rate_limit sense="decr">10</rate_limit> <!-- 100ms -->
+		</actuator>
+		
 		<switch name="/systems/fctl/sec1">
 			<default value="0"/>
 			<test logic="AND" value="1">
 				/controls/fctl/switches/sec1 eq 1
 				/systems/failures/fctl/sec1 eq 0
-				<test logic="OR">
-					/systems/electrical/bus/dc-ess ge 25
-					<test logic="AND"> <!-- in flight: DC HOT backup -->
-						/systems/electrical/bus/sub-bus/dc-hot-1-703 ge 25
-						/gear/gear[1]/wow eq 0
-					</test>
-				</test>
+				/systems/fctl/power-supply/sec1/has-power-output ne 0
 			</test>
 		</switch>
 		
@@ -447,12 +588,25 @@
 			</test>
 		</switch>
 		
+		<switch name="/systems/fctl/power-supply/sec2/has-power">
+			<default value="0"/>
+			<test logic="OR" value="1">
+				/systems/electrical/bus/sub-bus/dc-2-204 ge 25
+			</test>
+		</switch>
+		
+		<actuator name="/systems/fctl/power-supply/sec2/has-power-output">
+			<input>/systems/fctl/power-supply/sec2/has-power</input>
+			<rate_limit sense="incr">100</rate_limit>
+			<rate_limit sense="decr">10</rate_limit> <!-- 100ms -->
+		</actuator>
+		
 		<switch name="/systems/fctl/sec2">
 			<default value="0"/>
 			<test logic="AND" value="1">
 				/controls/fctl/switches/sec2 eq 1
 				/systems/failures/fctl/sec2 eq 0
-				/systems/electrical/bus/sub-bus/dc-2-204 ge 25
+				/systems/fctl/power-supply/sec2/has-power-output ne 0
 			</test>
 		</switch>
 		
@@ -464,12 +618,26 @@
 			</test>
 		</switch>
 		
+		<switch name="/systems/fctl/power-supply/sec3/has-power">
+			<default value="0"/>
+			<test logic="OR" value="1">
+				/systems/electrical/bus/sub-bus/dc-2-204 ge 25
+			</test>
+		</switch>
+		
+		<actuator name="/systems/fctl/power-supply/sec3/has-power-output">
+			<input>/systems/fctl/power-supply/sec3/has-power</input>
+			<rate_limit sense="incr">100</rate_limit>
+			<rate_limit sense="decr">10</rate_limit> <!-- 100ms -->
+		</actuator>
+		
+		
 		<switch name="/systems/fctl/sec3">
 			<default value="0"/>
 			<test logic="AND" value="1">
 				/controls/fctl/switches/sec3 eq 1
 				/systems/failures/fctl/sec3 eq 0
-				/systems/electrical/bus/sub-bus/dc-2-204 ge 25
+				/systems/fctl/power-supply/sec3/has-power-output ne 0
 			</test>
 		</switch>
 		
diff --git a/Systems/a320-hydraulic.xml b/Systems/a320-hydraulic.xml
index 3f8a0c19..8e858611 100644
--- a/Systems/a320-hydraulic.xml
+++ b/Systems/a320-hydraulic.xml
@@ -305,7 +305,7 @@
 				/controls/hydraulic/switches/yellow-elec eq 1
 				/systems/failures/hydraulic/yellow-elec ne 1
 				<test logic="OR"> <!-- TODO: via 3XX CB 122VU -->
-					/systems/electrical/sources/ext/output-volt ge 110
+					/systems/electrical/relay/ext-epc/output ge 110
 					/systems/electrical/bus/ac-2 ge 110
 				</test>
 			</test>
diff --git a/WebPanel/mcdu.html b/WebPanel/mcdu.html
index d28da2fb..a6ebb489 100644
--- a/WebPanel/mcdu.html
+++ b/WebPanel/mcdu.html
@@ -14,8 +14,8 @@
 		let blank_src;
 		let loading = 0;
 		let scheduled_load = 0;
-		function refresh_screen() {
-			if (loading) {
+		function refresh_screen(force) {
+			if (loading && !force) {
 				scheduled_load = 1;
 			}
 			else {
@@ -100,7 +100,19 @@
 			});
 			blank_src = screen_src;			
 			screen_src = "/screenshot?canvasindex=10&type=png";
-			setInterval(refresh_screen, 1000);
+			screen.addEventListener('error', function () {
+				loading = 0;
+				if (scheduled_load) {
+					refresh_screen();
+				}
+			});
+			screen.addEventListener('abort', function () {
+				loading = 0;
+				if (scheduled_load) {
+					refresh_screen();
+				}
+			});
+			setInterval(function () { refresh_screen(true); }, 1000);
 		}, true);
 	</script>
 	<style>